Abstract:Located at heights between approximately 50 km and 1000 km, the ionosphere is a shell of dispersive medium that contains electrons and electrically charged atoms (Misra & Enge, 2004). As global positioning system (GPS) signals travel through the ionosphere, they experience a delay, which is proportional to the density of total electron content. A ground-based augmentation system (GBAS) augments existing GPS signals by broadcasting differential corrections and integrity information to enable precision approache… Show more
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